llvmpipe: Take the sampler view's first_level into account when sampling.

5 files changed, 13 insertions, 3 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index 482a902dd23..268f0fa034b 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -54,6 +54,7 @@ lp_jit_create_types(struct llvmpipe_context *lp)
       elem_types[LP_JIT_TEXTURE_WIDTH]  =
       elem_types[LP_JIT_TEXTURE_HEIGHT] =
       elem_types[LP_JIT_TEXTURE_DEPTH] =
+      elem_types[LP_JIT_TEXTURE_FIRST_LEVEL] =
       elem_types[LP_JIT_TEXTURE_LAST_LEVEL] =  LLVMInt32TypeInContext(lc);
       elem_types[LP_JIT_TEXTURE_ROW_STRIDE] =
       elem_types[LP_JIT_TEXTURE_IMG_STRIDE] =
@@ -81,6 +82,9 @@ lp_jit_create_types(struct llvmpipe_context *lp)
       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
                              gallivm->target, texture_type,
                              LP_JIT_TEXTURE_DEPTH);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, first_level,
+                             gallivm->target, texture_type,
+                             LP_JIT_TEXTURE_FIRST_LEVEL);
       LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
                              gallivm->target, texture_type,
                              LP_JIT_TEXTURE_LAST_LEVEL);
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.h b/src/gallium/drivers/llvmpipe/lp_jit.h
index a6763dce17a..04e8dd5267b 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.h
+++ b/src/gallium/drivers/llvmpipe/lp_jit.h
@@ -50,6 +50,7 @@ struct lp_jit_texture
    uint32_t width;
    uint32_t height;
    uint32_t depth;
+   uint32_t first_level;
    uint32_t last_level;
    uint32_t row_stride[LP_MAX_TEXTURE_LEVELS];
    uint32_t img_stride[LP_MAX_TEXTURE_LEVELS];
@@ -66,6 +67,7 @@ enum {
    LP_JIT_TEXTURE_WIDTH = 0,
    LP_JIT_TEXTURE_HEIGHT,
    LP_JIT_TEXTURE_DEPTH,
+   LP_JIT_TEXTURE_FIRST_LEVEL,
    LP_JIT_TEXTURE_LAST_LEVEL,
    LP_JIT_TEXTURE_ROW_STRIDE,
    LP_JIT_TEXTURE_IMG_STRIDE,
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 3813e0ed972..c82ab821c7e 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -653,6 +653,7 @@ lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
          jit_tex->width = tex->width0;
          jit_tex->height = tex->height0;
          jit_tex->depth = tex->depth0;
+         jit_tex->first_level = view->u.tex.first_level;
          jit_tex->last_level = tex->last_level;
 
          /* We're referencing the texture's internal data, so save a
@@ -663,7 +664,7 @@ lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
          if (!lp_tex->dt) {
             /* regular texture - setup array of mipmap level pointers */
             int j;
-            for (j = 0; j <= tex->last_level; j++) {
+            for (j = view->u.tex.first_level; j <= tex->last_level; j++) {
                jit_tex->data[j] =
                   llvmpipe_get_texture_image_all(lp_tex, j, LP_TEX_USAGE_READ,
                                                  LP_TEX_LAYOUT_LINEAR);
@@ -677,6 +678,7 @@ lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
                   jit_tex->width = TILE_SIZE/8;
                   jit_tex->height = TILE_SIZE/8;
                   jit_tex->depth = 1;
+                  jit_tex->first_level = 0;
                   jit_tex->last_level = 0;
                   jit_tex->row_stride[j] = 0;
                   jit_tex->img_stride[j] = 0;
diff --git a/src/gallium/drivers/llvmpipe/lp_state_sampler.c b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
index 1dd866195d3..df9fb89cc8e 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_sampler.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
@@ -269,7 +269,7 @@ llvmpipe_prepare_vertex_sampling(struct llvmpipe_context *lp,
          if (!lp_tex->dt) {
             /* regular texture - setup array of mipmap level pointers */
             int j;
-            for (j = 0; j <= tex->last_level; j++) {
+            for (j = view->u.tex.first_level; j <= tex->last_level; j++) {
                data[j] =
                   llvmpipe_get_texture_image_all(lp_tex, j, LP_TEX_USAGE_READ,
                                                  LP_TEX_LAYOUT_LINEAR);
@@ -293,7 +293,7 @@ llvmpipe_prepare_vertex_sampling(struct llvmpipe_context *lp,
          draw_set_mapped_texture(lp->draw,
                                  i,
                                  tex->width0, tex->height0, tex->depth0,
-                                 tex->last_level,
+                                 view->u.tex.first_level, tex->last_level,
                                  row_stride, img_stride, data);
       }
    }
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.c b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
index ed4282937f8..ccc139603ee 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
@@ -149,6 +149,7 @@ lp_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
 LP_LLVM_TEXTURE_MEMBER(width,      LP_JIT_TEXTURE_WIDTH, TRUE)
 LP_LLVM_TEXTURE_MEMBER(height,     LP_JIT_TEXTURE_HEIGHT, TRUE)
 LP_LLVM_TEXTURE_MEMBER(depth,      LP_JIT_TEXTURE_DEPTH, TRUE)
+LP_LLVM_TEXTURE_MEMBER(first_level, LP_JIT_TEXTURE_FIRST_LEVEL, TRUE)
 LP_LLVM_TEXTURE_MEMBER(last_level, LP_JIT_TEXTURE_LAST_LEVEL, TRUE)
 LP_LLVM_TEXTURE_MEMBER(row_stride, LP_JIT_TEXTURE_ROW_STRIDE, FALSE)
 LP_LLVM_TEXTURE_MEMBER(img_stride, LP_JIT_TEXTURE_IMG_STRIDE, FALSE)
@@ -219,6 +220,7 @@ lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
    sampler->dynamic_state.base.width = lp_llvm_texture_width;
    sampler->dynamic_state.base.height = lp_llvm_texture_height;
    sampler->dynamic_state.base.depth = lp_llvm_texture_depth;
+   sampler->dynamic_state.base.first_level = lp_llvm_texture_first_level;
    sampler->dynamic_state.base.last_level = lp_llvm_texture_last_level;
    sampler->dynamic_state.base.row_stride = lp_llvm_texture_row_stride;
    sampler->dynamic_state.base.img_stride = lp_llvm_texture_img_stride;